Douglas Labs


A natural orange flavored, leucine-rich blend of essential amino acids combined with HMB®, vitamin D3 and glutamine to help build & preserve lean muscle mass.
Regular price $64.00

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KLEAN ESSENTIAL AMINOS + HMB® provides a great-tasting, leucine-rich blend of essential amino acids combined with HMB®, vitamin D3, and glutamine for muscle mass and function. Leucine, a branched-chain amino acid, has an anabolic role in muscle protein synthesis and may specifically benefit athletes by preserving healthy muscle mass and muscle function. β-Hydroxy-β-methylbutyrate (HMB) is a metabolite of leucine that supports lean muscle mass through two unique mechanisms: decreased muscle breakdown and increased protein synthesis. Vitamin D and glutamine provide additional support for muscle health.

Klean Essential Aminos+HMB is tested and certified by the NSF Certified for Sport® program, which was created to meet the growing demands of athletes, coaches and healthcare professionals to certify that sports supplements are safe and completely free from banned substances. Every product that carries the NSF Certified for Sport® mark has undergone stringent laboratory testing to confirm content, purity and compliance.


Research involving physically active adults showed that subjects who supplemented with HMB increased their anaerobic power by 54% over training alone. Although leucine offers similar benefits to HMB in increasing protein synthesis, HMB is more potent than leucine for promoting strength gains due to the additional benefit HMB provides in decreasing protein breakdown. Additionally, as approximately 5% of leucine is converted to HMB, consuming 60 grams of leucine would yield 3 grams of HMB. 

The Amino 9TM blend of essential and branched-chain amino acids has been clinically shown to boost muscle protein balance by increasing anabolism and limiting catabolism. Supplemental essential amino acids support muscle protein balance more than BCAAs alone. In a human clinical trial with elderly and young subjects, BCAAs were shown to stimulate 22% more muscle protein synthesis (MPS) than placebo. Furthermore, complementing the BCAAs with EAAs resulted in 50% better MPS than BCAAs alone.

Benefits at a Glance

Supports healthy muscle mass and muscle function

Provides anabolic muscle-building support

Attenuates muscle protein breakdown and preserves lean muscle mass

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DISCLAIMER: Statements made are for educational purposes and have not been evaluated by the US Food and Drug Administration. They are not intended to diagnose, treat, cure, or prevent any disease. If you have a medical condition or disease, please talk to your doctor prior to using the recommendations given.